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Proceedings Article

Integrated optical sensors using micromechanical bridges and cantilevers

[+] Author Affiliations
Shaodong Wu, Hans J. Frankena

Delft Univ. of Technology (Netherlands)

Proc. SPIE 1793, Integrated Optics and Microstructures, 83 (March 2, 1993); doi:10.1117/12.141208
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From Conference Volume 1793

  • Integrated Optics and Microstructures
  • Massood Tabib-Azar; Dennis L. Polla
  • Boston, MA | September 08, 1992

abstract

Micromechanical bridges and cantilevers sensitive to external forces have been fabricated upon Si substrates. They are used as optical waveguides and part of sensor circuits. The waveguides consist of sandwiched layers of an SiO2 buffer, an Al2O3 waveguide and an SiO2 cover. The bridges and cantilevers with very small dimensions such as 100 micrometers in length, 5 micrometers in width and 2.5 micrometers in thickness have been successfully produced. Such bridge- or cantilever-shaped waveguide structures have been applied in acoustic signal detection and noise monitoring. In this paper, the bridge and cantilever structures will be analyzed and experimental results on sound measurement will be presented.

© (1993) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Shaodong Wu and Hans J. Frankena
"Integrated optical sensors using micromechanical bridges and cantilevers", Proc. SPIE 1793, Integrated Optics and Microstructures, 83 (March 2, 1993); doi:10.1117/12.141208; http://dx.doi.org/10.1117/12.141208


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